An Elloran male
The Ellora were one of two primitive races, including the Tarlac, that were conquered by the Son'a in 2325. The Ellorans' heads were surrounded by a patterned bone plate. The female and male Ellora shared the exact same look.
By 2375, both the Ellora and the Tarlac were fully integrated into the So'na society as indentured servants. (Star Trek: Insurrection)
According to the Star Trek: Star Charts, the Ellora were from the Ellora star system (page 55), and Ellora was located in the Beta Quadrant (page 60). The system was a binary star system, with the primary as a small A-type main-sequence star and the secondary as an orange dwarf.